<template>
  <div style="margin: 10px;">
    <h3>讲师列表</h3>
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <!-- <el-input v-model="searchObj.name" placeholder="讲师名"/> -->
        <el-input v-model="searchObj.name" placeholder="讲师名" />
      </el-form-item>

      <el-form-item>
        <el-select v-model="searchObj.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <!-- v-model="searchObj.begin" -->
        <el-date-picker v-model="searchObj.begin" type="datetime" placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss" default-time="00:00:00" />
      </el-form-item>

      <el-form-item>
        <el-date-picker v-model="searchObj.end" type="datetime" placeholder="选择截止时间" value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00" />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getTeachers()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <!-- 表格 -->
    <!-- v-loading="listLoading" 
      element-loading-text="数据加载中"  -->
    <el-table :data="list" v-loading="listLoading" element-loading-text="数据加载中" border fit highlight-current-row>

      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="140" />

      <el-table-column label="头衔" width="100" align="center">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? '高级讲师' : '首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete"
            @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination :current-page="page" :page-size="limit" :total="total" style="padding: 30px 0; text-align: center;"
      layout="prev, pager, next, jumper" @current-change="getTeachers" />
  </div>
</template>
<script>
import teacher from '@/api/teacher/index'

export default {
  name: 'Teacher',
  data() {
    return {
      list: [],
      page: 1,
      limit: 10,
      teacherQuery: {},
      total: 0,
      listLoading: false,
      searchObj: {}
    }
  },
  mounted() {
    this.getTeachers();
  },
  methods: {
    getTeachers(page = 1) { // 调用api层获取数据库中的数据
      console.log('加载列表')
      this.page = page
      this.listLoading = true
      teacher.getTeachersPage(this.page, this.limit, this.searchObj).then(response => {
        // debugger 设置断点调试
        if (response.success === true) {
          this.list = response.data.rows
          this.total = response.data.total
        }
        this.listLoading = false;
      })
    },
    resetData() {
      this.searchObj = {};
      this.getTeachers();
    },
    removeDataById(id) {
      //调用远程服务接口删除讲师信息
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        return teacher.removeById(id)
      }).then(() => {
        this.resetData();
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch((response) => { // 失败
        if (response === 'cancel') {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        } else {
          this.$message({
            type: 'error',
            message: '删除失败'
          })
        }
      })
    }
  }
};
</script>
<style lang='' scoped>
</style>